Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 1 | /*********************************************************** |
| 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
| 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Return the initial module search path. */ |
| 33 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 34 | #include "Python.h" |
| 35 | #include "osdefs.h" |
| 36 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 37 | |
| 38 | #ifndef PYTHONPATH |
Guido van Rossum | 6e12d56 | 1996-07-30 20:36:12 +0000 | [diff] [blame] | 39 | #define PYTHONPATH "/usr/local/lib/python" |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 40 | #endif |
| 41 | |
Guido van Rossum | c34c9a5 | 1996-06-12 04:20:27 +0000 | [diff] [blame] | 42 | #ifndef PREFIX |
| 43 | #define PREFIX "/usr/local" |
| 44 | #endif |
| 45 | |
| 46 | #ifndef EXEC_PREFIX |
Guido van Rossum | 6e12d56 | 1996-07-30 20:36:12 +0000 | [diff] [blame] | 47 | #define EXEC_PREFIX PREFIX |
Guido van Rossum | c34c9a5 | 1996-06-12 04:20:27 +0000 | [diff] [blame] | 48 | #endif |
| 49 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 50 | |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 51 | /* This is called once from pythonrun to initialize sys.path. The |
| 52 | environment variable PYTHONPATH is fetched and the default path |
| 53 | appended. The default path may be passed to the preprocessor; if |
| 54 | not, a hardcoded default is used, which only makes (some) sense on |
| 55 | Unix. */ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 56 | |
| 57 | char * |
Guido van Rossum | 582646a | 1996-05-28 22:30:17 +0000 | [diff] [blame] | 58 | Py_GetPath() |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 59 | { |
| 60 | char *path = getenv("PYTHONPATH"); |
| 61 | char *defpath = PYTHONPATH; |
| 62 | static char *buf = NULL; |
| 63 | char *p; |
| 64 | int n; |
| 65 | |
| 66 | if (path == NULL) |
| 67 | path = ""; |
| 68 | n = strlen(path) + strlen(defpath) + 2; |
| 69 | if (buf != NULL) { |
| 70 | free(buf); |
| 71 | buf = NULL; |
| 72 | } |
| 73 | buf = malloc(n); |
| 74 | if (buf == NULL) |
| 75 | Py_FatalError("not enough memory to copy module search path"); |
| 76 | strcpy(buf, path); |
| 77 | p = buf + strlen(buf); |
| 78 | if (p != buf) |
| 79 | *p++ = DELIM; |
| 80 | strcpy(p, defpath); |
| 81 | return buf; |
| 82 | } |
Guido van Rossum | c34c9a5 | 1996-06-12 04:20:27 +0000 | [diff] [blame] | 83 | |
| 84 | |
| 85 | /* Similar for Makefile variables $prefix and $exec_prefix */ |
| 86 | |
| 87 | char * |
| 88 | Py_GetPrefix() |
| 89 | { |
| 90 | return PREFIX; |
| 91 | } |
| 92 | |
| 93 | char * |
| 94 | Py_GetExecPrefix() |
| 95 | { |
| 96 | return EXEC_PREFIX; |
| 97 | } |